Dramatic change of water-cluster accessibility of highly pure double-walled carbon nanotubes with high temperature annealing.
作者： Yousheng Tao , Hiroyuki Muramatsu , Kyoichi Oshida , Morinobu Endo , Katsumi Kaneko
DOI: 10.1039/C2NR30876B
关键词:
摘要: Highly pure double-walled carbon nanotubes (DWCNTs) synthesized by a catalytic chemical vapour deposition method have well-ordered bundle structure giving explicit diffraction peaks synchrotron X-ray measurement. The changes of nanopore structural properties and water adsorptivity DWCNTs with high-temperature heat treatment were investigated using molecular probe adsorption methods. It was founded that their nanoporosities apparent hydrophilicities decreased thermal annealing. However, specific surface area 275 m2 g−1 the residual microporosity more than 60% even after at 2673 K suggest unique applications.
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